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MCQ - Mechanical TNPSC JTO
JTO - 534 - Advanced Computer Numerical Control - 534 - Unit III Product specification

76)   

The symbol ⌵ used in surface finish on drawings indicates:

A.
B.
C.
D.
Answer: B
77)   

The surface roughness value Ra is expressed in:

A.
B.
C.
D.
Answer: C
78)   

Which international standard deals with surface texture on engineering drawings?

A.
B.
C.
D.
Answer: B
79)   

What does the addition of a circle to the surface finish symbol indicate?

A.
B.
C.
D.
Answer: C
80)   

A Ra value of 0.4 µm represents:

A.
B.
C.
D.
Answer: C
81)   

What does a Process Flow Diagram (PFD) primarily represent?

A.
B.
C.
D.
Answer: B
82)   

Which of the following is NOT typically shown on a basic PFD?

A.
B.
C.
D.
Answer: C
83)   

The symbol → in a PFD indicates:

A.
B.
C.
D.
Answer: B
84)   

What does this symbol ⊗ represent in a Process Flow Diagram?

A.
B.
C.
D.
Answer: B
85)   

Which document provides more detailed information than a PFD?

A.
B.
C.
D.
Answer: C
86)   

The main purpose of a Vernier Caliper is to measure:

A.
B.
C.
D.
Answer: C
87)   

The least count of a standard metric Vernier Caliper is:

A.
B.
C.
D.
Answer: C
88)   

Which part of the Vernier Caliper is used to measure internal diameter?

A.
B.
C.
D.
Answer: B
89)   

1 main scale division (MSD) is equal to:

A.
B.
C.
D.
Answer: B
90)   

Vernier Caliper is generally made of:

A.
B.
C.
D.
Answer: C
91)   

The least count of a standard micrometer is:

A.
B.
C.
D.
Answer: B
92)   

The part of the micrometer that moves to make contact with the object is called:

A.
B.
C.
D.
Answer: C
93)   

The main scale of a micrometer is located on the:

A.
B.
C.
D.
Answer: D
94)   

Which part of the micrometer ensures uniform pressure during measurement?

A.
B.
C.
D.
Answer: C
95)   

If the pitch of the screw is 0.5 mm and the thimble has 50 divisions, what is the least count?

A.
B.
C.
D.
Answer: B
96)   

What is the primary purpose of a gauge?

A.
B.
C.
D.
Answer: B
97)   

A plug gauge is used to check:

A.
B.
C.
D.
Answer: C
98)   

Which gauge is used to check external diameters?

A.
B.
C.
D.
Answer: A
99)   

A feeler gauge is used to measure:

A.
B.
C.
D.
Answer: C
100)   

A ring gauge is used to check:

A.
B.
C.
D.
Answer: B